CN208060726U - A kind of nuclear radiation shield structure of whole-body counter - Google Patents
A kind of nuclear radiation shield structure of whole-body counter Download PDFInfo
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- CN208060726U CN208060726U CN201820531681.8U CN201820531681U CN208060726U CN 208060726 U CN208060726 U CN 208060726U CN 201820531681 U CN201820531681 U CN 201820531681U CN 208060726 U CN208060726 U CN 208060726U
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- wall
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- shielded layer
- ontology
- stereotype
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Abstract
The utility model discloses a kind of nuclear radiation shield structures of whole-body counter,Including screened room,One middle side part of the shielding chamber interior walls is provided with alarm,The bottom of the alarm is provided with detector,The side of the detector and the corresponding side for being fixed on the screened room at vertical side with the alarm,The outer wall of the screened room is provided with stereotype,The outer wall of the stereotype is provided with polyethylene shielded layer,The outer wall of the polyethylene shielded layer is provided with copper coin,The outer wall of the copper coin is provided with tungsten nickel shielded layer,The outer wall of the tungsten nickel shielded layer is provided with steel plate,The outer wall of the steel plate is provided with ontology,One side bottom of the outer wall side of the ontology and the close detector is provided with analysis process system,The side of the analysis process system and the side of the ontology is provided with energy depressive spectroscopy.Advantageous effect：Such a construction increases shield effectiveness, can detection limit at least effectively be reduced 150Bq.
Description
Technical field
The utility model is related to whole-body counter technical fields, it particularly relates to a kind of nuclear radiation of whole-body counter
Shielding construction.
Background technology
Whole-body counter is that the X-ray or γ that directly the internal radioactive substance of measurement intake is launched outside human body are penetrated
Thus line carries out the device of the Qualitative and quantitative analysis of radionuclide.With the fast development of nuclear technology, it is engaged in nuclear technology and grinds
Study carefully and the unit applied and personnel it is more and more, the demand to whole-body counter is increasing, and actinometry index request is more next
Higher, the composition of shield is to promote the important method of detection limit.At present the shield of whole-body counter using whole steel sheet or
The method of person's steel plate leading plate builds shield, for sodium iodide whole-body counter, its detection limit when measuring 1 minute 60Co
For 180Bq or even 200Bq, using existing structure, technical indicator is not achieved in its shield effectiveness.
For the problems in the relevant technologies, currently no effective solution has been proposed.
Utility model content
For the problems in the relevant technologies, the utility model proposes a kind of nuclear radiation shield structure of whole-body counter, with
Overcome the above-mentioned technical problem present in existing the relevant technologies.
What the technical solution of the utility model was realized in：
One middle side part of a kind of nuclear radiation shield structure of whole-body counter, including screened room, the shielding chamber interior walls is set
Be equipped with alarm, the bottom of the alarm is provided with detector, the side of the detector and with the alarm at vertical
Side be fixed on the corresponding side of the screened room, the outer wall of the screened room is provided with stereotype, the outer wall of the stereotype
It is provided with polyethylene shielded layer, the outer wall of the polyethylene shielded layer is provided with copper coin, and the outer wall of the copper coin is provided with tungsten nickel
Alloy shielded layer, the outer wall of the tungsten nickel shielded layer are provided with steel plate, and the outer wall of the steel plate is provided with ontology, described
The outer wall side of body and a side bottom of the detector is provided with analysis process system, the one of the analysis process system
Side and the side of the separate ontology are provided with energy depressive spectroscopy, the side of the energy depressive spectroscopy and the separate analyzing processing
The side of system is provided with computer, the side of the ontology and with the analysis process system at vertical side be provided with into
Outlet, and it is described inlet and outlet through the steel plate, the tungsten nickel shielded layer, the copper coin, the polyethylene shielded layer with
And the stereotype, the bottom side of the inlet and outlet are provided with the compatible door with the inlet and outlet.
Further, the side of the door is flexibly connected by hinge with the corresponding side of the ontology.
Further, the side of the detector is fixed with the corresponding side of the shielding chamber interior walls by bolt and is connected
It connects.
Further, the stereotype, the copper coin and the steel plate identical by thickness, of different sizes lead, copper respectively
Block and bloom are spliced.
Further, the thickness of the steel plate is more than the thickness of the copper coin and the stereotype.
Further, the screened room is designed as cylindrical structure.
The beneficial effects of the utility model：The top and side of this whole-body counter are all made of stereotype, gather from the inside to the outside
The stepped construction of ethylene shielded layer, copper coin, tungsten nickel shielded layer and steel plate, staff enter after screened room by detector
Detect after by analysis processing system carry out analyzing processing, result that treated enters energy depressive spectroscopy to element species and contains
Amount analysis shows that result is referred to for staff on computers later, and such a construction increases shield effectiveness, can be effective
Detection limit is at least reduced into 150Bq.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.
Fig. 1 is illustrated according to a kind of general construction of the nuclear radiation shield structure of whole-body counter of the utility model embodiment
Figure；
Fig. 2 is the front view according to a kind of nuclear radiation shield structure of whole-body counter of the utility model embodiment.
In figure：
1, screened room；2, alarm；3, detector；4, stereotype；5, polyethylene shielded layer；6, copper coin；7, tungsten nickel screen
Cover layer；8, steel plate；9, ontology；10, analysis process system；11, energy depressive spectroscopy；12, computer；13, it imports and exports；14, door.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, the every other embodiment that those of ordinary skill in the art are obtained all belongs to
In the range of the utility model protection.
Embodiment according to the present utility model provides a kind of nuclear radiation shield structure of whole-body counter.
As shown in Figs. 1-2, according to a kind of nuclear radiation shield structure of whole-body counter of the utility model embodiment, including
One middle side part of screened room 1,1 inner wall of the screened room is provided with alarm 2, and the bottom of the alarm 2 is provided with detector
3, the side of the detector 3 and the corresponding side for being fixed on the screened room 1 at vertical side with the alarm 2,
The outer wall of the screened room 1 is provided with stereotype 4, and the outer wall of the stereotype 4 is provided with polyethylene shielded layer 5, the polyethylene screen
The outer wall for covering layer 5 is provided with copper coin 6, and the outer wall of the copper coin 6 is provided with tungsten nickel shielded layer 7, the tungsten nickel shielding
The outer wall of layer 7 is provided with steel plate 8, and the outer wall of the steel plate 8 is provided with ontology 9, the outer wall side of the ontology 9 and close to described
One side bottom of detector 3 is provided with analysis process system 10, the side of the analysis process system 10 and the separate ontology 9
Side be provided with energy depressive spectroscopy 11, the side of the energy depressive spectroscopy 11 and far from the side of the analysis process system 10
It is provided with computer 12, the side of the ontology 9 and vertical side is provided with inlet and outlet with the analysis process system 10
13, and the inlet and outlet 13 are through the steel plate 8, the tungsten nickel shielded layer 7, the copper coin 6, the polyethylene shielded layer
5 and the stereotype 4, the bottom side of the inlet and outlet 13 is provided with and 13 compatible doors 14 of the inlet and outlet.
By means of above-mentioned technical proposal, the top and side of this whole-body counter are all made of stereotype 4, poly- second from the inside to the outside
The stepped construction of alkene shielded layer 5, copper coin 6, tungsten nickel shielded layer 7 and steel plate 8, staff enter after screened room 1 by visiting
Survey after the detecting of device 3 that processing system 10 carries out analyzing processing by analysis, result that treated enters energy depressive spectroscopy 11 to member
Plain type and content analysis, shows that result is referred to for staff, such a construction increases shieldings on the computer 12 later
Detection limit effectively at least can be reduced 150Bq by effect.
In addition, the side of the door 14 is flexibly connected by hinge with the corresponding side of the ontology 9, facilitate beating for door
It opens and is closed；The side of the detector 3 is fixedly connected by bolt with the corresponding side of 1 inner wall of the screened room, is prevented
Detector fall off and it is easy to disassemble and install；The stereotype 4, the copper coin 6 and the steel plate 8 are identical by thickness, big respectively
Small different lead, copper billet and bloom are spliced, and are easily installed maintenance, and the adjacent interlayer plank fissure of displacement avoids ray from passing through seam
Gap enters screened room, improves shield effectiveness；The thickness of the steel plate 8 is more than the thickness of the copper coin 6 and the stereotype 4, steel plate
It is layer structure, fixes the effect of whole device so that whole device is more stablized；The screened room 1 is designed as cylinder
Shape structure, facilitate different statures people pass in and out and it is unaffected.
In conclusion by means of the above-mentioned technical proposal of the utility model, the top and side of this whole-body counter from
It is interior to the stepped construction for being all made of stereotype 4, polyethylene shielded layer 5, copper coin 6, tungsten nickel shielded layer 7 and steel plate 8 outside, work people
Member enters after screened room 1 that processing system 10 carries out analyzing processing, result that treated by analysis after the detecting of detector 3
Into energy depressive spectroscopy 11 to element species and content analysis, show that result is joined for staff on the computer 12 later
It examines, such a construction increases shield effectiveness, can detection limit at least effectively be reduced 150Bq.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (6)
1. a kind of nuclear radiation shield structure of whole-body counter, which is characterized in that including screened room (1), in the screened room (1)
One middle side part of wall is provided with alarm (2), and the bottom of the alarm (2) is provided with detector (3), the detector (3)
Side and the corresponding side of the screened room (1) is fixed at vertical side with the alarm (2), the screened room
(1) outer wall is provided with stereotype (4), and the outer wall of the stereotype (4) is provided with polyethylene shielded layer (5), the polyethylene shielding
The outer wall of layer (5) is provided with copper coin (6), and the outer wall of the copper coin (6) is provided with tungsten nickel shielded layer (7), and the tungsten nickel closes
The outer wall of golden shielded layer (7) is provided with steel plate (8), and the outer wall of the steel plate (8) is provided with ontology (9), the ontology (9) it is outer
One side bottom of wall side and the close detector (3) is provided with analysis process system (10), the analysis process system
(10) side and the side far from the ontology (9) are provided with energy depressive spectroscopy (11), and the one of the energy depressive spectroscopy (11)
Side and side far from the analysis process system (10) is provided with computer (12), the side of the ontology (9) and with it is described
Analysis process system (10) is provided with inlet and outlet (13) at vertical side, and the inlet and outlet (13) through the steel plate (8),
The tungsten nickel shielded layer (7), the copper coin (6), the polyethylene shielded layer (5) and the stereotype (4), the disengaging
The bottom side of mouth (13) is provided with the compatible door (14) with the inlet and outlet (13).
2. a kind of nuclear radiation shield structure of whole-body counter according to claim 1, which is characterized in that the door (14)
Side pass through the corresponding side of hinge and the ontology (9) and be flexibly connected.
3. a kind of nuclear radiation shield structure of whole-body counter according to claim 1, which is characterized in that the detector
(3) side is fixedly connected by bolt with the corresponding side of the screened room (1) inner wall.
4. a kind of nuclear radiation shield structure of whole-body counter according to claim 1, which is characterized in that the stereotype
(4), identical by thickness, of different sizes lead, copper billet and bloom is spliced respectively for the copper coin (6) and the steel plate (8).
5. a kind of nuclear radiation shield structure of whole-body counter according to claim 1, which is characterized in that the steel plate
(8) thickness is more than the thickness of the copper coin (6) and the stereotype (4).
6. a kind of nuclear radiation shield structure of whole-body counter according to claim 1, which is characterized in that the screened room
(1) it is designed as cylindrical structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820531681.8U CN208060726U (en) | 2018-04-12 | 2018-04-12 | A kind of nuclear radiation shield structure of whole-body counter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820531681.8U CN208060726U (en) | 2018-04-12 | 2018-04-12 | A kind of nuclear radiation shield structure of whole-body counter |
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| Publication Number | Publication Date |
|---|---|
| CN208060726U true CN208060726U (en) | 2018-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820531681.8U Expired - Fee Related CN208060726U (en) | 2018-04-12 | 2018-04-12 | A kind of nuclear radiation shield structure of whole-body counter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109696700A (en) * | 2018-12-27 | 2019-04-30 | 中国工程物理研究院材料研究所 | Extremely low level higher chain product radioactive waste packet detection system |
-
2018
- 2018-04-12 CN CN201820531681.8U patent/CN208060726U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109696700A (en) * | 2018-12-27 | 2019-04-30 | 中国工程物理研究院材料研究所 | Extremely low level higher chain product radioactive waste packet detection system |
| CN109696700B (en) * | 2018-12-27 | 2020-12-22 | 中国工程物理研究院材料研究所 | Extremely low level transuranic nuclide radioactive waste package detection system |
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Granted publication date: 20181106 |
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| CF01 | Termination of patent right due to non-payment of annual fee |